def 	lowerCamelCase					(	UpperCamelCase     :				int = 10_00							)   ->    int:
		_lowerCamelCase				   =  3
		_lowerCamelCase				   =  0
		while a < n:
				if a % 3 == 0 or a % 5 == 0:
						result += a
				elif a % 15 == 0:
						result -= a
				a += 1
		return result


if __name__ == "__main__":
				print(F'''{solution() = }''')
from abc import ABC, abstractmethod
from argparse import ArgumentParser





class     lowerCAmelCase__     (				SCREAMING_SNAKE_CASE_			):


		'''simple docstring'''






		@staticmethod
		@abstractmethod
		def   _snake_case       (       snake_case__     :     ArgumentParser		)      ->	Tuple:
				raise NotImplementedError()



		@abstractmethod
		def   _snake_case       (       self     :     Optional[Any]		)      ->	Optional[Any]:
				raise NotImplementedError()